The best way is to start the NTP process.
Mandatory synchronization
sudo ntpdate -s time.nist.gov
The command above will force time synchronization on the local computer.
Viewing process Status
sudo service ntp status
The preceding command is used to check the NTP status.
Start the process
sudo service ntp start
The preceding command will start the NTP process.
www.ossez.com/t/ubuntu/13…